
Montenegro SIM Card vs eSIM: EU Roaming, Cruise Stops & Coverage (2026)
Montenegro isn't in EU Roam Like at Home. Compare tourist SIMs and eSIMs for Kotor, Budva and Durmitor, including cruise day stops. Plans from $2.
ReadAuthor
Angelus Sharma
Published
August 10, 2026

International travel has changed the way we stay connected. You no longer need to wait in an airport queue for a local SIM card, swap tiny plastic chips, or return home to discover an unpleasant roaming bill.
Travel eSIMs have made getting mobile data much simpler. Two names travelers may come across are Holafly and eSIMLLY.
Both provide eSIM connectivity for international travel, but they take different approaches. Holafly puts a strong emphasis on unlimited-data plans, while eSIMLLY focuses on flexible prepaid data plans, affordable pricing, quick activation, and giving travelers the ability to choose how much data they actually need.
So, when comparing Holafly vs eSIMLLY, which option makes more sense?
The answer depends on your travel style, data usage, destination, and how much flexibility you want from your eSIM.
Feature | Holafly | eSIMLLY |
|---|---|---|
Travel eSIMs | Yes | Yes |
International coverage | 160+ destinations on current global plans | 160+ countries |
Data options | Primarily unlimited destination plans, plus newer global plans | Flexible prepaid data packages |
Activation | eSIM installation | Instant QR-code activation |
Physical SIM required | No | No |
Top-up / recharge | Traditional top-ups are not available | Recharge and additional data available |
Hotspot | Available, depending on plan/destination | Supported on most plans |
Multiple plans | Destination-dependent | Multiple plans can be managed |
Payment model | Prepaid destination plans and subscriptions | Pay-as-you-go |
Best suited for | Heavy data users | Travelers wanting flexibility and control |
Holafly currently promotes unlimited-data eSIMs across 160+ destinations, while its newer global subscription plans also include unlimited and 25 GB options.
Explore eSIMLLY travel plans →
Holafly is an international eSIM provider focused heavily on travel connectivity and unlimited-data plans.
Its destination eSIMs allow travelers to select a destination and purchase a plan based on the number of days they need. Holafly says its unlimited plans are available across more than 160 destinations.
However, "unlimited" does not necessarily mean unlimited high-speed usage under every circumstance. Holafly notes that some network operators can apply fair-use policies and reduce speeds after high usage. Hotspot allowances can also vary by destination.
eSIMLLY is a global travel eSIM platform designed around affordable prepaid connectivity and flexible data plans.
It currently provides coverage across 160+ countries, with 4G/5G connectivity, instant QR-code delivery, and pay-as-you-go plans. The platform says activation can take less than two minutes, allowing travelers to purchase their plan before departure and connect when they arrive.
The bigger difference is flexibility.
Instead of forcing every traveler into an unlimited-data package, eSIMLLY lets you select a data package based on your actual requirements. Someone who only needs Google Maps, WhatsApp, email, ride-hailing, and occasional social media does not necessarily need unlimited data.
And paying for data you will never use is rarely a clever travel strategy.
This is one of the biggest differences between the two providers.
Holafly's travel proposition is built around unlimited data. This can make sense for travelers who stream heavily, use their phones as a primary internet connection, or simply do not want to think about data consumption.
But many travelers use surprisingly little data.
Maps, messaging, translation apps, online bookings, email, social media, and occasional browsing can often be handled with a relatively small prepaid allowance.
That is where eSIMLLY's flexible data plans become particularly useful. You can select a destination and choose a package based on your trip rather than automatically paying for an unlimited plan.
Imagine you are taking a five-day city break.
You need data for:
Google Maps
Uber or local transport apps
Restaurant searches
Translation
Travel bookings
Occasional Instagram uploads
You probably do not need to stream video for hours every day.
With a flexible prepaid eSIM, you can pay for the amount of data that fits your trip rather than paying for unlimited data simply because it is available.
That makes eSIMLLY particularly useful for weekend travelers, business travelers, families, students, and anyone who wants straightforward mobile data without a long-term commitment.
Price is another area where the comparison needs context.
The right question is not simply:
"Which provider has the cheapest unlimited plan?"
It is:
"Which provider gives me the data I need at the lowest practical cost?"
eSIMLLY follows a pay-as-you-go model, with destination plans currently starting from around $1.50 for selected destinations. Its website lists popular destinations such as Italy, France, Türkiye, and Spain from $1.50, Thailand and Singapore from $2, and the USA and Australia from $2.50.
Prices vary by destination, data allowance, and validity, so travelers should always check the destination page before purchasing.
For occasional travelers, that flexibility can make a noticeable difference.
This is another important distinction.
Holafly says traditional top-ups or data reloads are no longer available for its eSIMs. If your trip extends beyond your original plan, you generally need to purchase a new eSIM plan for the destination.
eSIMLLY takes a more flexible approach. Its platform supports recharging an eSIM or purchasing additional data through the eSIMLLY dashboard.
That can be useful when travel plans change.
Maybe your three-day business trip becomes five days. Maybe your flight is cancelled. Maybe you decide that the "quick weekend trip" was actually a remarkably successful excuse to stay another week.
With the ability to add data, you have another option besides starting from scratch.
Both providers use digital eSIM technology, so neither requires a physical SIM card.
Holafly provides installation instructions and QR-code-based activation options. Its support documentation recommends installing the eSIM before travelling and activating it at the destination.
eSIMLLY follows a similarly simple process:
Choose your destination.
Select your data plan.
Complete your purchase.
Receive your eSIM details.
Scan the QR code.
Activate the plan and connect.
eSIMLLY says its activation process can take under two minutes.
For international arrivals, that convenience matters. Your phone can be ready for maps, ride-hailing, hotel directions, translation, and messaging as soon as you need them.
Hotspot support is worth checking before buying any travel eSIM.
Holafly supports hotspot functionality on some plans and destinations, but the allowance can vary. Its documentation specifically notes that hotspot availability and limits should be checked in the technical specifications for the destination.
eSIMLLY says most of its eSIM plans support hotspot functionality, allowing travelers to share their connection with laptops, tablets, and other devices.
If you work while travelling, this can be particularly useful. A phone with mobile data can become a temporary internet connection for your laptop without forcing you to search for café Wi-Fi every time you need to send an email.
Both providers offer broad international coverage.
Holafly currently promotes travel eSIM coverage across 160+ destinations, depending on the product.
eSIMLLY currently lists coverage across 160+ countries, including popular destinations in Europe, Asia, North America, the Middle East, Africa, and Oceania. The platform also advertises 4G/5G connectivity and partnerships across hundreds of networks.
Coverage is still destination-specific, though. Before buying any eSIM, check the exact country, supported network, data allowance, and validity period.
There is no universal answer because travelers use mobile data differently.
Holafly can make sense if your priority is an unlimited-data travel plan and you expect very high data consumption.
But if you want flexible data allowances, prepaid pricing, recharge options, quick activation, and control over what you spend, eSIMLLY is the stronger fit.
Flexible prepaid data plans
Coverage across 160+ countries
4G/5G connectivity
Instant QR-code delivery
Activation in minutes
No physical SIM card
Pay-as-you-go pricing
Data recharge options
Multiple plans managed from one platform
Hotspot support on most plans
24/7 customer support
Whether you are travelling for three days or three months, the goal is the same: get online without turning connectivity into another travel headache.
Holafly and eSIMLLY take different approaches to international eSIM connectivity.
Holafly's core proposition revolves around unlimited data. That can be useful for travelers who consume large amounts of mobile data and want fewer concerns about their data allowance.
eSIMLLY, on the other hand, focuses on flexibility. Its prepaid plans let travelers choose the amount of data and duration that suit their trip, with the ability to recharge or add data when needed.
For travelers who want affordable, flexible, prepaid international connectivity without paying for more data than they need, eSIMLLY is a compelling choice.
Before your next trip, check your destination, compare the available data packages, confirm that your phone supports eSIM, and choose the plan that fits how you actually use your phone.
Because the best travel eSIM isn't necessarily the one with the biggest data allowance.
It is the one that gives you the right connection at the right price, exactly when you need it.
Instant activation, hotspot included and no roaming fees in the destinations from this guide.

Montenegro isn't in EU Roam Like at Home. Compare tourist SIMs and eSIMs for Kotor, Budva and Durmitor, including cruise day stops. Plans from $2.
Read
Zvartnots airport SIM or eSIM? Compare Armenia's operators, tourist bundle prices and when each option makes sense. eSIM plans from $2.50.
Read
Beeline, Kcell or Tele2? Why foreign phones on Kazakh SIMs need IMEI registration, and when a travel eSIM is easier. Plans from $1.50.
ReadGet instant data and savings on your next trip with eSIMLLY. Simple activation, no physical SIM card needed.